GZ37 MULLARD OLD SHIELD TALL FORM VERY FEINT YELLOW PRINT
GZ37, MULLARD, OLD SHIELD, TALL FORM, VERY FEINT YELLOW PRINT
A very nice EX EQUIPMENT device this, carrying faint remnants of the Mullard Old shield markings in very faded yellow ink. Device tests as full emission for each section within the envelope.
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CV378, MULLARD, MIL SPEC GZ37, WHITE PRINT, MITCHAM, FEBRUARY 1956 PRODUCTION